You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alberta Remove constraint Place: Alberta Place Near fire tower, SE of Skyline Ranger Station, Porcupine Hills, Oldman River Watershed Remove constraint Place: Near fire tower, SE of Skyline Ranger Station, Porcupine Hills, Oldman River Watershed Place North America Remove constraint Place: North America Place no data Remove constraint Place: no data Topic Cetraria Remove constraint Topic: Cetraria Topic Lichens Remove constraint Topic: Lichens